(14steps total) PrintForm Definitions Lemmas graph 1 2 Sections Graphs Doc

At: fun-graph-rel-graph 3 2 1 1 2
1. A: Type
2. B: Type
3. f: ABA
4. a:A, b1,b2:B. f(a,b1) = f(a,b2) b1 = b2
5. a,a':A. Dec(b:B. a' = f(a,b))
6. b1: A
7. b2: A
8. b1@0: B
9. b2 = f(b1,b1@0)
b:B. 2of( < b1,f(b1,b1@0) > ) = f(1of( < b1,f(b1,b1@0) > ),b)
By: Obvious
Generated subgoals:

None

About:
pairdecidablefunctionuniverseequalimpliesallexists

(14steps total) PrintForm Definitions Lemmas graph 1 2 Sections Graphs Doc